Taxonomy
Zygogynum vieillardii
Red List Status -
Vulnerable (VU) , assessed in 27/10/2017Protected species -
in Northern Province
Zygogynum vieillardii is endemic to New Caledonia, where it is restricted to the southern east coast of Grande Terre. This species is found in humid forest undergrowth and shrubland on ultramafic soil between 450 and 900 m asl. Known from 9 locations, its area of occupancy (AOO) and extent of occurrence (EOO) are 56 km² and 1,829 km², respectively. Main threats include mining activities, rusa deer (Rusa timorensis) and uncontrolled bushfires. Therefore, Z. vieillardii is listed as Vulnerable (VU) under criteria B1ab(ii,iii,v)+2ab(ii,iii,v).
Geographical area
Z. vieillardii is endemic to New Caledonia, where it is restricted to the southern east coast of Grande Terre, from Menazi to Kouakoué.
Population
Population size is unknown.
Habitat
Z. vieillardii occurs in humid forest undergrowth and shrubland on ultramafic soil between 450 and 900 m asl.
Threats
The main threats are rusa deer (Rusa timorensis), uncontrolled busfires and mining activities at Kouaoua SLN).
Conservation
Z. vieillardii is protected by legislation in Province Sud and Province Nord and occurs in one protected area: Barrage de Yaté. This species would benefit from ex situ and in situ emergency conservation actions. It is recommended to monitor and preserve known populations in delimited areas, and to inform the local authority responsible for the coordination of the firefighting effort about the presence of the species in the concerned areas. Moreover, it is suggested to raise awareness on this species amongst local stakeholders, so as to promote its growing in nurseries and integrate it in future green space planning.
Bibliography
Endemia.nc 2016. Faune et Flore de Nouvelle-Calédonie.
Morat, P.; Jaffré, T.; Tronchet, F.; Munzinger, J.; Pillon, Y.; Veillon, J.-M. and Chalopin, M. 2012. Le référentiel taxonomique Florical et les caractéristiques de la flore vasculaire indigène de la Nouvelle-Calédonie [The taxonomic database « FLORICAL » and characteristics of the indigenous flora of New Caledonia]. Adansonia sér 3(34) , p.177-219.
Lannuzel, G.; Gâteblé, G.; Fogliani, B. 2017. Etude des Espèces Rares et Menacées des sites miniers de la SMT.
Experts
Assessor(s): Amice, R., Barrière, R., Butin, J., Fleurot, D., Lagrange, A., Lannuzel, G., Letocart, I., Suprin, B.
Reviewer(s): Veillon, J.
Contributor(s): Russ, L.
Facilitator(s): Tanguy, V., Warimavute, G.